2025 Specialized Stumpjumper 15 Comp Alloy Full Suspension Mountain Bike
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The 2025 Specialized Stumpjumper 15 Comp Alloy Full Suspension Mountain Bike S4 Gloss Smoke / Cool Grey is available at the following locations.
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The 2025 Specialized Stumpjumper 15 Comp Alloy Full Suspension Mountain Bike is the second bike in Specialized's flagship mountain bike range. It comes with the latest suspension tech and adjustable geometry.
The biggest innovation on the Stumpjumper 15 is GENIE. This patent-pending air spring technology, invented by Specialized, grants every trail rider’s three wishes: the feel and control of a coil spring, better bottom-out prevention than a standard air spring, and a tuneable “platform” for a playful feel. Extensive field testing proves that Stumpjumper 15 with GENIE delivers 57% better traction than a standard air-sprung shock because GENIE technology gives you supple, coil-like performance, which keeps the wheel in contact with the ground a greater percent of the time than a typical air spring would. As the quintessential trail bike, Stumpjumper 15 Alloy balances efficiency and optimal bump force management.
This bike’s geometry delivers big bike capability when you need it, a nimble feel in tight sections, and lively, efficient climbing manners. The generous cockpit centers you on the bike, optimizing traction and corner control. The low bottom bracket, slack head tube angle, and optimized fork offset keep things stable in the rough. Six distinct geometry settings allow you to hone performance for any style and any terrain. The head angle and bottom bracket can be fine-tuned for stability or clearance. The bike can be run either with 29 inch wheels front and rear or as a 27.5/29 mullet.
The Stumpjumper 15 Comp Alloy comes with a FOX FLOAT 36 Rhythm 150mm travel fork, super reliable 12 speed Shimano SLX gearing, TRP Trail EVO hydraulic brakes and an X-Fusion Manic dropper post. The S1 and S2 sizes comes with mullet 27.5/29 wheels while the other sizes come with 29 wheels front and rear.
This bike is perfect for
Mountain bikers looking for a trail bike that is efficient to pedal but is still playful and capable of handling big bumps. With 6 different geometry settings and the ability to run either a mullet or 29/29 setup it can be tuned to suit your riding style.
Key Features
- All-new M5 alloy frame with SWAT door integration
- Robust Specialized alloy wheels with sealed cartridge bearings
- Ride Dynamics tuned FOX FLOAT Performance with Specialized GENIE patent-pending air spring technology provides maximum grip and traction found in a linear coil spring, bottom-out prevention found in a progressive air spring, and the ability to tune mid-stroke and end-stroke support independently. 2-position open and firm damper adjustments.
- Eat up the chunkiest trails with the FOX FLOAT 36 Rhythm fork with GRIP damper
- Performance-focused and durable Shimano SLX drivetrain
- Big stopping power from TRP Trail EVO 4-piston brakes
- Trustworthy time and time again X-Fusion Manic dropper post
- Lifetime replacement of suspension pivot bearings to the original owner
Price Match at Cycles uk
We understand that price is important, so we regularly price-check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.
Who are Specialized?
Specialized is one of the best-known quality bike brands in the world. Started by a group of riders in 1974. A fact which has guided their decision making ever since.
" Made for riders, by riders."
They strove to make the best quality tires when quality tyres weren't around. When people wanted to ride cruisers in the dirt, they made the first production mountain bike. When roadies wanted to go faster, Specialized doubled down on carbon and built their own wind tunnel.
Bikes like the Allez, Rockhopper and Stumpjumper have developed followings and reputations of their own. Specialized has a reputation for making high-end, high-quality bikes. Specialized bikes always look great with high-quality paint and sensible sizing hel0s you get the right bike each time. If you buy a Specialized bike you can be guaranteed it will do what it is supposed to and will last.
Find our more about Specialized bikes
| Frame | M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel |
| Fork | FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel |
| Crankset | Shimano SLX, M7120, 32T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm |
| Chain | Shimano SLX, M7100, 12-speed |
| Cassette | Shimano SLX, CS-M7100, 12-speed, 10-51t |
| Shift Levers | Shimano SLX, M7100, 12spd |
| Rear Derailleur | Shimano SLX, M7100, SGS, 12-speed |
| Front Brake | TRP Trail EVO, 4-piston caliper, hydraulic disc, 203mm |
| Rear Brake | TRP Trail EVO, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm |
| Rims | Specialized, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29 |
| Front Tyre | Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3 |
| Rear Tyre | Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3 |
| Handlebars | Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S4: 800 width, 30mm rise: S5-S6: 800 width, 40mm rise |
| Grips | Specialized Trail Grips |
| Saddle | Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm |
| Seat Post | X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 190mm |
| Seat Binder | Alloy, 38.6mm |
| Inner Tubes | Standard, Presta valve |
| Bottom Bracket | Shimano, BB-MT801, Threaded |
| Front Hub | Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h |
| Rear Hub | Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h |
| Spokes | DT Swiss Industry |
| Stem | Alloy Trail Stem, 35mm bar bore |
| Swat | SWAT internal downtube storage |
| Colours | Gloss Smoke / Cool Grey, Satin Powder Indigo / Smoke |
| Sizes | S1, S2, S3, S4, S5, S6 |
| Brand | Specialized |
| Model Year | 2025 |
| Barcodes | 196625029042, 196625029592, 196625030109, 196625030505, 196625030550, 196625030918, 196625031380, 196625031489, 196625142758, 196625143045, 196625143137, 196625143205 |
| SKUs / Part Numbers | 93325-5401, 93325-5402, 93325-5403, 93325-5404, 93325-5405, 93325-5406, 93325-5501, 93325-5502, 93325-5503, 93325-5504, 93325-5505, 93325-5506 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
Why buy from Cycles UK?
We Deliver
You can choose how to receive your new bike. You can click and collect from our stores, pick a fast courier delivery or premium hand delivery. Whichever option you choose your bike will be fully assembled and checked by one of our experienced mechanics.
Price Promise
We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
Free Insurance
Our partners at Laka provides 30 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 30 days’ FREE insurance against theft and accidental damage.
Comfort Guarantee
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
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